155269 has 2 divisors, whose sum is σ = 155270. Its totient is φ = 155268.

The previous prime is 155251. The next prime is 155291. The reversal of 155269 is 962551.

155269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82369 + 72900 = 287^2 + 270^2 .

It is a cyclic number.

It is not a de Polignac number, because 155269 - 2¹⁵ = 122501 is a prime.

It is a super-2 number, since 2×155269² = 48216924722, which contains 22 as substring.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77634 + 77635.

It is an arithmetic number, because the mean of its divisors is an integer number (77635).

2¹⁵⁵²⁶⁹ is an apocalyptic number.

155269 is the 228-th hex number.

It is an amenable number.

155269 is a deficient number, since it is larger than the sum of its proper divisors (1).

155269 is an equidigital number, since it uses as much as digits as its factorization.

155269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 28.

The square root of 155269 is about 394.0418759472. The cubic root of 155269 is about 53.7479105011.

It can be divided in two parts, 155 and 269, that added together give a palindrome (424).

The spelling of 155269 in words is "one hundred fifty-five thousand, two hundred sixty-nine".